Mawaddati, Izdiyadatu, Ida Munfarida, and Abdul Hakim. 2021. “Perhitungan Beban Pencemaran Air Kali Jagir Kota Surabaya Provinsi Jawa Timur”. Al-Ard: Jurnal Teknik Lingkungan 7 (1):33-43. https://jurnalsaintek.uinsby.ac.id/index.php/alard/article/view/1279.